1.

Taps A and B can fill a bucket in 12 minutes and 15 minutes respectively if both are opened and A is closed after 3 minutes, how much further time would it take for B to fill the bucket ?

A. 7 min. 45 sec
B. 7 min 15 sec
C. 8 min. 5 sec
D. 8 min. 15sec
Answer» E.


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